In November 2019, Ben and Betty (married filing jointly) have a long term capital gain of $54000 on the sale of stock. They have no other capital gains and losses for the year. Their ordinary income for the year after the standard deduction is $72500, making their total taxable income for the year $126,500 (72500 + 54000). In 2019, married taxpayers pay 0 percent on long term gains up to $78,750. What will be their 2019 total tax liability assuming a tax of $8, 315 on the $72500 of ordinary income?